Attosecond-pulse metrology based on high-order harmonic generation
T. S. Sarantseva, M. V. Frolov, N. L. Manakov, A. A. Silaev, A. A. Romanov, Н. В. Введенский, Anthony F. Starace
Abstract
An all-optical method to retrieve the temporal intensity profile of an extreme ultraviolet (XUV) attosecond pulse is proposed based on XUV-assisted high-order harmonic generation (HHG) by an intense infrared (IR) pulse. For a harmonic located on the XUV-induced high-energy plateau (beyond the IR HHG plateau), the measured harmonic yield as a function of the time delay between the XUV and IR pulses is shown to accurately map the temporal intensity profile of the XUV pulse. Single-color and two-color orthogonal, linearly polarized IR pulses are used to demonstrate the method.
Topics & Concepts
Extreme ultravioletAttosecondHigh harmonic generationOpticsPhysicsPulse (music)Harmonic spectrumWater windowHarmonicLaserInfraredUltrashort pulseQuantum mechanicsDetectorLaser-Matter Interactions and ApplicationsMass Spectrometry Techniques and ApplicationsAdvanced Fiber Laser Technologies